export const convertToChinaNum = (num) => {

    var arr1 = new Array('零', '一', '二', '三', '四', '五', '六', '七', '八', '九');

    var arr2 = new Array('', '十', '百', '千', '万', '十', '百', '千', '亿', '十', '百', '千', '万', '十', '百', '千', '亿'); //可继续追加更高位转换值    

    if (!num || isNaN(num)) {

        return "零";

    }

    var english = num.toString().split("")

    var result = "";

    for (var i = 0; i < english.length; i++) {

        var des_i = english.length - 1 - i; //倒序排列设值        

        result = arr2[i] + result;

        var arr1_index = english[des_i];

        result = arr1[arr1_index] + result;

    }

    //将【零千、零百】换成【零】 【十零】换成【十】    

    result = result.replace(/零(千|百|十)/g, '零').replace(/十零/g, '十');

    //合并中间多个零为一个零    

    result = result.replace(/零+/g, '零');

    //将【零亿】换成【亿】【零万】换成【万】    

    result = result.replace(/零亿/g, '亿').replace(/零万/g, '万');

    //将【亿万】换成【亿】    

    result = result.replace(/亿万/g, '亿');

    //移除末尾的零    

    result = result.replace(/零+$/, '')

    result = result.replace(/^一十/g, '十');

    return result;

}